Change Outlook's language
How to change the language of the menus and of spell checking in Microsoft Outlook.
You can change the language of Outlook’s menus and, separately, the language used to spell check what you write.
To start, go to File > Options and click Language in the side menu.

Menu language
This is the language of Outlook’s menus, buttons and screens. It’s under Office display language.
- Move the language you want to position 1.
- If it isn’t on the list, click Add a language and follow the installation.
- Click OK on every screen and restart Outlook.
Spell checking language
This is the language used to check the text you write. It’s under Office authoring languages and proofing.
- Move the language you want to position 1.
- If it isn’t on the list, click Add a language and follow the installation.
- Click OK on every screen and restart Outlook.